Product Name: Mijia Electric Teeth Rinsing DeviceCategory: Oral CareMaterial: ABSWater tank capacity: 200mlWaterproof rating: IPX7Charging time: 4 hoursBattery capacity: 2200mAhTotal weight: 0.6kgProduct size: 70*47*207mmProduct list: dental flusher*1, nozzle*4, Type-C charging cable*1, nozzle storage box*1, manual*1High-frequency pulse water flow, clean teeth accurately and quickly.Equipped with a voltage stabilizing system to control the stable output of water pressure.4 kinds of professional nozzles, to meet the different needs of different people.It complies with the well-known US FDA food and drug safety standards, and is safe and secure.4-speed mode, strong mode/standard mode/novice mode/pulse mode, you can adjust it according to your needs.Automatic power-off setting in 2 minutes to prevent forgetting to shut down.The 200ML large-capacity water tank meets the needs of one-time use.Removable water tank for easy cleaning.2200mAh lithium battery, Type-C charging, it can be used for 45 days when fully charged.Equipped with nozzle storage box, sanitary and dustproof.IPX7 level waterproof, support water washing.Precautions1: Itching or bleeding may occur at the first use, because the gums are not used to it. It is recommended to use the novice gear for a period of time before using other modes.2: It is recommended to use clean water, do not add mouthwash to the water tank